Pith Number

pith:Y4QLAEYC

pith:2021:Y4QLAEYCTTPB5WGX74HBQTXMAN

not attested not anchored not stored refs pending

Stellar Evolution in the Disks of Active Galactic Nuclei Produces Rapidly Rotating Massive Stars

Adam S. Jermyn, Alexander J. Dittmann, Matteo Cantiello, Rosalba Perna

arxiv:2102.13114 v1 · 2021-02-25 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y4QLAEYCTTPB5WGX74HBQTXMAN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:53:36.481254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c720b013029cde1ed8d7ff0e184eec0354dc6ae9a22b064cacadf9823b4c4444

Aliases

arxiv: 2102.13114 · arxiv_version: 2102.13114v1 · doi: 10.48550/arxiv.2102.13114 · pith_short_12: Y4QLAEYCTTPB · pith_short_16: Y4QLAEYCTTPB5WGX · pith_short_8: Y4QLAEYC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y4QLAEYCTTPB5WGX74HBQTXMAN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c720b013029cde1ed8d7ff0e184eec0354dc6ae9a22b064cacadf9823b4c4444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d7f4d135a99a8780e15102640168bddc0a3de48d5968d0f8a3094dfee5afc06",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-02-25T19:00:01Z",
    "title_canon_sha256": "275ef70253dcdac24336c075a09fe06df1c261db3cfccc831931b0e16613cb6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13114",
    "kind": "arxiv",
    "version": 1
  }
}